First, prevent sunburn. 1. In the summer and autumn high temperature season, shade nets should be used to cover, reduce the temperature inside the shed and avoid direct sunlight, the shed indoors to cool the air in time, if the temperature in the shed is too high, it should be properly irrigated to supplement the soil moisture and prevent the body temperature from rising. High, fruit dehydration occurs sunburn. 2. Pay attention to close planting, so that the stems and leaves cover each other and avoid direct sunlight on the fruits. 3. After the disease is found, it must be removed promptly. 4. During the growth process, trace elements should be added in time to improve the resilience of the crop. 5. Spray 6000 times liquid natural brassin - Shuofeng 481 in high temperature season, it has a certain effect on the prevention and treatment of sunburn.
Second, flood prevention. 1. Timely drainage in addition to stains. Prevent the death of plants due to stagnant water and waterlogging. 2. Timely cultivator. When able to land, timely cultivating loose soil, remove compaction, improve soil permeability, and promote root development. 3 timely fertilizer. Topdressing with quick-acting nitrogen fertilizers and decomposed organic fertilizers is preferable, and attention should be paid to the appropriate application; 0.3-0.5% urea solution, 2% superphosphate calcium leaching solution, 0.2%-0.3% potassium dihydrogen phosphate solution, and sprayed fertilizer can also be used. Amino acid and other foliar fertilizers are used as foliar sprays to promote the normal growth and development of the plants as soon as possible and increase the yield of vegetables. 4 timely control of pests and diseases. After the disaster, the field temperature is high and the humidity is high. It is suitable for a variety of pests and diseases. 5. Change other crops in time. Due to the disaster-relief plots, we must promptly sort out and reduce dark stains, seize the season, and rush to plant fast-growing vegetables or mung beans, adzuki beans and other small grains to maximize the losses. 6. Strengthen the construction of water conservancy facilities and rationally use water.
Third, prevent drought. During the late autumn drought period, it is necessary to pay attention to the construction of water conservancy facilities, the construction of small-scale water reservoirs, and the improvement of the ability to withstand drought in vegetable production bases. For the land with irrigation conditions, the existing water sources, anti-drought tools and facilities should be fully utilized, drip irrigation, sprinkler irrigation and other water-saving irrigation techniques should be used to conduct scientific irrigation, and flood irrigation should be strictly prohibited to save water. Scientifically and rationally arrange water resources to ensure that some key vegetables and water requirements in key periods.
Should start with the following three aspects:
First, choose drought-resistant varieties. At this time, vegetables, such as leafy vegetables, beans and melons, which are planted in autumn, are all varieties with strong drought resistance and should be selected carefully. Strong drought-tolerant varieties can generally prolong drought-resistance, and in the absence of water shortage, they can quickly return to normal growth through irrigation. In the dry and waterless plots, reduce the amount of vegetable sowing that requires large amounts of water.
Second, the appropriate surface coverage. For open field summer vegetables that have not been planted with mulch, they should be covered with grass straw in a timely manner to conserve water, reduce water and nutrient consumption, and promote growth. Farmers using greenhouses or small sheds can cover shade nets to reduce direct sunlight, lower temperatures, reduce water evaporation, and ensure the normal growth of vegetables.
Third, strengthen the construction of water conservancy facilities and rationally use water. Pay attention to the construction of water conservancy facilities, the construction of small reservoirs, and the improvement of drought resistance in vegetable production bases. For the land with irrigation conditions, the existing water sources, anti-drought tools and facilities should be fully utilized, drip irrigation, sprinkler irrigation and other water-saving irrigation techniques should be used to conduct scientific irrigation, and flood irrigation should be strictly prohibited to save water. Scientifically and rationally arrange water resources to ensure that some key vegetables and water requirements in key periods.
Royal Jelly is also called Bee Milk. The fresh royal jelly is slightly ropy milk paste substance; it is the excretive mixture of nutrition gland and maxilla gland of the head of little worker bee. The worker bees use this to feed the 1-3 days` worker bee larva and drone larva, 1-5.5 days` queen bee larva and queen bee in the oviposition period. The royal jelly is the biologic product containing very complicated active elements which contains almost all the nutrition elements required by the growth of the human body.
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